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Duplex Steel UNS S31803, S32550, S32750, S32205, S32760 Fasteners

Duplex Steel UNS S31803, S32550, S32750, S32205, S32760, Alloy 2205, F60, F51, F61, F55, F53 - Stainless Steel Fasteners Spring Lock Washer : Agent, Exporter, Dealer, Distributor, Stockist, Stockholder and Supplier in India : 

• We at MD Exports LLP is known for guaranteed fast delivery of the Duplex 2205 Fasteners to South Africa, West African Countries, Russia& in entire Gulf Countries. The main reason being we have an excellent warehousing and storage facilities in India,UAE,Korea& Gauteng(South Africa).They are made ready as per the urgent requirements of the customers. The Duplex Steel 2205 Fasteners are manufactured to sustain very high pressure and product warranty.
• Lot of emphasis is placed on the packaging. The Duplex Steel 2205 Fasteners are packed in wooden corrugated boxes foiled in plastic wraps and bubble wraps.
• Duplex Steel 2205 Fasteners are offered with a NACE 3.1 Certification, Mill Test Certification and ISO 17025 Standards by a Government of India approved Laboratory. Positive Material Identification is done on all raw material procured at MD Exports LLP.
• MD Exports LLP have exported Duplex Steel 2205 Fasteners  to over 60 countries including Sudan, UAE, UK, Iran, Iraq, Qatar, Bahrain, Oman, Yemen, Lebanon, Jordan, Saudi Arabia, Malaysia, Indonesia, Singapore, Australia, New Zealand, USA, Canada, Mexico, Brazil, Netherlands, Germany, Italy, Spain, Serbia, Kuwait, Peru, Nigeria, Poland, South Africa, Denmark, Turkey, Egypt, Venezuela, Kuwait, Madagascar, Angola& , Srilanka.
• The Duplex Steel 2205 Fasteners are used in Hardware, Petro-Chemical Industry, Oil and Gas Industry, Nuclear Industry, Pulp & Paper Industry, Research & Development , Mega Projects & Defense & Development Industries. In fact wing to the special grade of steel Duplex Steel 2205 Fasteners are used for all critical applications.
• Duplex Steel 2205 is the easily the most selling Grade of Duplex Steel Series due to the excellent properties and general usage in highly corrosive environment. We have more than 2 decades of experience in serving Stainless Steel & other alloys specially Fasteners, Bolts, Nuts, Studs etc. Majorly used in the Oil and Gas Industry.
• In 2016 we have ready stock of more than 50 tons of Duplex Steel 2205 Fasteners in all sizes, in Seamless and Welded to cater to immediate delivery and urgent needs of the clients. For small requirements we can dispatch the Fasteners immediately against the purchase order

Spring Lock Washer

We are one of the biggest suppliers of quality Spring Washers in the Indian market. Our wide range of Spring Washers find its diverse application in different industries. These Spring Washers are specially designed to suit the joint requirements rather than settle for a standard part. Apart from this, these can be availed in various shapes and sizes according to all the requirements of our valued clients.

Features:
* Durability
* High performance
* Corrosion resistant
* Perfect finish
* Precision engineered

Spring Lock Washer Dimensions

WASHERS

Lock Washers

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Nominal Washer Size	A		B		C
	Inside Diameter		Outside Diameter		Thickness
	Min.	Max.	Max.	Min.	Max.	Min.
2 0.086 4 0.112 6 0.138 8 0.164 10 0.190 12 0.216 1/4 0.250 5/16 0.312 3/8 0.375 7/16 0.438 1/2 0.500 5/8 0.625 1/8 Pipe	0.089 0.115 0.141 0.168 0.195 0.221 0.256 0.320 0.384 0.448 0.512 0.640 0.425	0.095 0.123 0.150 0.176 0.204 0.231 0.267 0.332 0.398 0.464 0.530 0.663 0.410	0.200 0.270 0.295 0.340 0.381 0.410 0.478 0.610 0.692 0.789 0.900 1.071 0.615	0.175 0.255 0.275 0.325 0.365 0.394 0.460 0.594 0.670 0.740 0.867 1.045 0.595	0.015 0.019 0.021 0.023 0.025 0.025 0.028 0.034 0.040 0.040 0.045 0.050 0.022	0.010 0.015 0.017 0.018 0.020 0.020 0.023 0.028 0.032 0.032 0.037 0.042 0.017

 

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Nominal Washer Size	A		B		C
	Inside Diameter		Outside Diameter		Thickness
	Min.	Max.	Max.	Min.	Max.	Min.
4 0.112 6 0.138 8 0.164 10 0.190 12 0.216 1/4 0.250 5/16 0.312 3/8 0.375 7/16 0.438 1/2 0.500 5/8 0.625	0.115 0.141 0.168 0.195 0.221 0.256 0.320 0.384 0.448 0.513 0.641	0.123 0.150 0.176 0.204 0.231 0.267 0.332 0.398 0.464 0.530 0.663	0.260 0.320 0.381 0.410 0.475 0.510 0.610 0.694 0.760 0.900 1.071	0.245 0.305 0.365 0.395 0.460 0.494 0.588 0.670 0.740 0.880 1.045	0.019 0.022 0.023 0.025 0.028 0.028 0.034 0.040 0.040 0.045 0.050	0.015 0.016 0.018 0.020 0.023 0.023 0.028 0.032 0.032 0.037 0.042

 

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Nominal Washer Size	A Inside Diameter		B Outside Diameter			C Thickness
	Min.	Max.	Max.	Min.		Max.	Min.
6 0.138 8 0.164 10 0.190 1/4 0.250	0.141 0.168 0.195 0.256	0.150 0.176 0.204 0.267	0.510 0.510 0.610 0.760	0.495 0.495 0.580 0.725		0.028 0.028 0.034 0.040	0.023 0.023 0.028 0.032

Flat Washers

Fender Washers

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Bolt Size	ID	OD	TH	Approx No. in 20#
10 1/4 1/4 1/4 5/16 5/16 3/8 3/8 1/2	7/32 9/32 9/32 9/32 11/32 11/32 13/32 13/32 17/32	1 1 1-1/4 1-1/2 1-1/4 1-1/2 1-1/4 1-1/2 2	.051 .080 .051 .080 .051 .080 .051 .080 .051 .080 .051 .080 .051 .080 .051 .080 .051 .080	1.4M 1.5M .92M .62M .96M .64M .94M .66M .38M

 

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Bolt Size, In.	Outside Dia., In.	Inside Dia., In.	American Standard Gauge	Approx. Lbs. Per M Pcs.	Approx. No./Pcs. Per Lb.
3/16 1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 7/8 1 1-1/8 1-1/4 1-3/8 1-1/2 1-5/8 1-3/4 1-7/8 2 2-1/4 2-1/2 2-3/4 3	9/16 3/4 7/8 1 1-1/4 1-3/8 1-1/2 1-3/4 2 2-1/4 2-1/2 2-3/4 3 3-1/4 3-1/2 3-3/4 4 4-1/4 4-1/2 4-3/4 5 5-1/4 5-1/2	1/4 5/16 3/8 7/16 1/2 9/16 5/8 11/16 13/16 15/16 1-1/16 1-1/4 1-3/8 1-1/2 1-5/8 1-3/4 1-7/8 2 2-1/8 2-3/8 2-5/8 2-7/8 3-1/8	18(3/64) 16(1/16) 14(5/64) 14(5/64) 14(5/64) 12(7/64) 12(7/64) 10(9/64) 9(5/32) 8(11/64) 8(11/64) 8(11/64) 8(11/64) 7(3/16) 7(3/16) 7 (3/16) 7(3/16) 7(3/16) 7(3/16) 5(7/32) 4(15/64) 3(1/4) 2(5/32)	2.8 6.7 11.5 14.9 24.4 38.5 45.5 77 110 153 188 220 260 333 385 448 500 569 630 826 961 1100 1300	361 149 87 67 41 26 22 13 9.1 6.5 5.3 4.5 3.8 3 2.6 2.3 2 1.8 1.6 1.2 1 .9 .8

SAE Washers

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Bolt Size, In.	Outside Dia., In.	Inside Dia., In.	American Standard Gauge	Approx. Lbs. Per M Pcs.	Approx. No/Pcs. Per Lb.
4 6 8 3/16 12 1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 7/8 1 1-1/8 1-1/4 1-3/8 1-1/2	5/16 3/8 7/16 1/2 9/16 5/8 11/16 13/16 59/64 1-1/16 1-3/16 1-5/16 1-1/2 1-3/4 2 2-1/4 2-1/2 2-3/4 3	1/8 5/32 3/16 7/32 1/4 9/32 11/32 13/32 15/32 17/32 19/32 21/32 13/16 15/16 1-1/16 1-3/16 1-5/16 1-7/16 1-9/16	21(1/32) 18(3/64) 18(3/64) 18(3/64) 16(1/16) 16(1/16) 16(1/16) 16(1/16) 16(1/16) 13(3/32) 13(3/32) 13(3/32) 10(9/64) 10(9/64) 10(9/64) 10(9/64) 9(5/32) 9(5/32) 9(5/32)	.58 1.26 1.7 2.3 3.4 4.5 5.2 7.2 9.5 18.3 23.4 27.7 47.4 63 83 109 160 190 240	1650 790 585 435 280 222 192 140 105 55 43 36 21 16 12 9.2 6.25 5.25 4.25

Washer Specifications

Lock Washers

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Nominal Washer Size	A		B	C		D
	Inside Diameter		Outside Diameter	Thickness		Length
	Min.	Max.	Ref.	Max.	Min.	Max.	Min.
6 0.138 8 0.164 10 0.190 1/4 0.250	0.140 0.167 0.195 0.255	0.150 0.177 0.205 0.267	0.301 0.340 0.369 0.468	0.021 0.021 0.025 0.025	0.017 0.017 0.020 0.020	0.092 0.105 0.099 0.128	0.082 0.088 0.083 0.113

Split Lock Washers

Hi-Collar Helical Spring Lock Washers

 

Split Lock Washers

Medium and Heavy Split Helical Spring Lock Washers

Nominal Washer Size	A		B		T		W
	Inside Diameter		Outside Diameter		Mean Sect. Thickness (T + t) 2		Section Width
	Max.	Min.	Med. Max.	Heavy Max.	Med. Min.	Heavy Min.	Med. Min.	Heavy Min.
2 0.086 3 0.099 4 0.112 5 0.125	0.094 0.107 0.120 0.133	0.088 0.101 0.114 0.127	0.172 0.195 0.209 0.236	0.182 0.209 0.223 0.252	0.020 0.025 0.025 0.031	0.025 0.031 0.031 0.040	0.035 0.040 0.040 0.047	0.040 0.047 0.047 0.055
6 0.138 8 0.164 10 0.190 12 0.216	0.148 0.174 0.200 0.227	0.141 0.167 0.193 0.220	0.250 0.293 0.334 0.377	0.266 0.307 0.350 0.391	0.031 0.040 0.047 0.056	0.040 0.047 0.056 0.063	0.047 0.055 0.062 0.070	0.055 0.062 0.070 0.077
1/4 0.250 5/16 0.312 3/8 0.375 7/16 0.438	0.262 0.326 0.390 0.455	0.254 0.317 0.380 0.443	0.489 0.586 0.683 0.779	0.491 0.596 0.691 0.787	0.062 0.078 0.094 0.109	0.077 0.097 0.115 0.133	0.109 0.125 0.141 0.156	0.110 0.130 0.145 0.160
1/2 0.500 9/16 0.562 5/8 0.625 11/16 0.688	0.518 0.582 0.650 0.713	0.506 0.570 0.635 0.698	0.873 0.971 1.079 1.176	0.883 0.981 1.093 1.192	0.125 0.141 0.156 0.172	0.151 0.170 0.189 0.207	0.171 0.188 0.203 0.219	0.176 0.193 0.210 0.227
3/4 0.750 13/16 0.812 7/8 0.875 15/16 0.938	0.775 0.843 0.905 0.970	0.760 0.824 0.887 0.950	1.271 1.367 1.464 1.560	1.291 1.391 1.494 1.594	0.188 0.203 0.219 0.234	0.226 0.246 0.266 0.284	0.234 0.250 0.266 0.281	0.244 0.262 0.281 0.298
1 1.000 1-1/16 1.062 1-1/8 1.125 1-3/16 1.188	1.042 1.107 1.172 1.237	1.017 1.080 1.144 1.208	1.661 1.756 1.853 1.950	1.705 1.808 1.909 2.008	0.250 0.266 0.281 0.297	0.306 0.326 0.345 0.364	0.297 0.312 0.328 0.344	0.319 0.338 0.356 0.373
1-1/4 1.250 1-5/16 1.312 1-3/8 1.375 1-7/16 1.438 1-1/2 1.500	1.302 1.366 1.432 1.497 1.561	1.271 1.334 1.398 1.462 1.525	2.045 2.141 2.239 2.334 2.430	2.113 2.211 2.311 2.406 2.502	0.312 0.328 0.344 0.359 0.375	0.384 0.403 0.422 0.440 0.458	0.359 0.375 0.391 0.406 0.422	0.393 0.410 0.427 0.442 0.458

 

Duplex Steel 2205 Washers Available Types

A-325 Flat Washers Fender Washers Internal Tooth Lock Tooth Lock Washers

External Tooth Lock Plain Washers Square Washers Dome Plain Washers

Countersunk Washers Dock Washers Ogee Washers Bevel Washers

Flat Washers - SAE Flat Washers - USS Split Lock Washers Spring /Lock Washer

Hexagonal Washers Dome Tooth Washers Fender Washers

Duplex & Super Duplex Steel Spring Lock Washer

duplex stainless f51 f53 f55 f44 f904l fasteners bolt nut screw stud washer bolts nuts fastener threaded rod rods screws studs washers Bolt:

M6-M64; Nut: M3-M64 ;
Threaded Rod:4-2000mm (all thread, double end thread) 
Standards: DIN 931, DIN 933, DIN 934, DIN 439, DIN 835, DIN 7991, DIN 975, DIN 976, DIN 912, ISO, JIS, ANSI/ASME, BS, etc 
Packing : Plywood case or wooden box

Exported countries: United States, Germany, Saudi Arabia, South Korea, Kuwait, Turkey, United Arab Emirates, Oman, Egypt, Indonesia, Malaysia, Singapore, Thailand, Sri Lanka, Russia, West Africa& Latin Americaetc

Duplex Stainless Steel Fasteners	Super Duplex Stainless Steel Fasteners
Duplex Steel Washers Alloy 2205 Washers SAF 2205 ® Washers 1.4462 Washers S32205 Washers F60 Washers 31803 Washers 1.4462 Washers S31803 Washers F51 Washers	Super Duplex Washers / Alloy 255 Washers Ferralium 255 ® Washers European 1.4507 Washers UNS S32550 Washers / UNS S32750 Washers ASTM/ASME F61 Washers / ASTM/ASME F55 Washers / F53 Washers Zeron 100 Washers / Zeron 100 ® Washers European 1.4501 Washers UNS S32760 Washers Alloy 2507 Washers / SAF 2507 ® Washers European 1.4410 Washers

 

Duplex Steel Spring Lock Washer Dimensions

Duplex Spring Lock Washer

Duplex

Alloy	Common Name	Related Specifications
		European	UNS	ASTM/ASME
Alloy 2205	SAF 2205 ®	1.4462	S32205	F60
31803	31803	1.4462	S31803	F51

MD Exports LLP produces duplex fasteners in all grades of duplex, to customer specification. Duplex grades are a mixed microstructure of Austenite and Ferrite, combining the properties of both (hence the name DUPLEX). Duplex stainless steels have high corrosion resistance as well as a high strength. Mechanical properties are around double that of a typical austenitic grade such as 316. They would also normally offer higher stress cracking resistance in Chloride solutions for example. They are composed typically of 22% Chromium, 5 % nickel. Having worked with duplex since its outset, the duplex bolting continues to account for a core part of our business, along with Super duplex.

Super Duplex Steel Spring Lock Washer Price

Super Duplex Steel Fasteners / Nut / Bolts / Washer / Screws
Min. Order: 1 Piece
FOB Price: US $1 to 100 (Fastener Available in Every Size)
Production Capacity: 500 Ton/Tons per Month
Tags : Super Duplex Steel Fasteners / Super Duplex Steel Nut / Super Duplex Steel Bolts / Super Duplex Steel Washer / Super Duplex Steel Screws

Duplex Steel 2205 Washers Available Types
A-325 Flat Washers Fender Washers Internal Tooth Lock External Tooth Lock Plain Washers Square Washers	Dome Plain Washers Countersunk Washers Dock Washers Ogee Washers Miscellaneous Washers	Bevel Washers Flat Washers - SAE Flat Washers - USS Split Lock Washers Spring /Lock Washer	Hexagonal Washers Dome Tooth Washers Fender Washers Tooth Lock Washers Customized Washers

 

SURFACE COATINGS
Mirror Buffed	Hot Dipped Galvanizing	Epoxy Coating	Electro Polished	Passivation
Teflon Coating	Oxidized	Zinc Plating	Chrome Plating

Fasteners Specialist

• FASTENERS : ASTM FASTENERS

  Fasteners ASTM & SAE Specifications ASTM A36 ASTM A153 ASTM A193 ASTM A194 ASTM A307 ASTM A320 ASTM A325 ASTM A354 ASTM A449 ASTM A490 ASTM A563 ASTM A572 ASTM A588 ASTM B695 ASTM F436 ASTM F593 ASTM F594 ASTM F844 ASTM F1554 ASTM F1941 ASTM F2329 SAE J429

• FASTENERS : BOLTS

  Bolts Hex Bolts, Heavy Hex Bolts, Structural Bolts, Square Bolts, Timber Bolts, Hex Lag Screws, Square Lag Screws, Carriage Bolts, Timber Spikes, Machine Bolts, Washer Head Bolts, Round Head Bolts, Countersunk Bolts, Step Bolts, Headed Anchor Bolts, Custom Heading.

• FASTENERS : WASHER AND ANCHOR RODS

  Washer Standard Flat Washers, Hardened Round Washers, Lock Washers, Malleable Iron Washers, Round Plate Washers, Square Plate Washers, Ogee Washers, Beveled Washers, Hardened Beveled Washers, Anchor Rods Anchor Rods, Swedged Rods, Tie Rods, All-Thread Rods, Drift Pins, Threaded Rebar.

• FASTENERS : ANCHOR BOLTS

  Anchor Bolts 90 Degree Anchor Bolts, U-Bolts (Round Bend), Eye Bolts (Closed), Hook Bolts (Square Bend), U-Bolts (Square Bend), Eye Bolts (Open), Hook Bolts (Round Bend), J-Bolts, Hook Bolts (Special).

• FASTENERS : NUTS

  Fasteners Nuts Finished Hex Nuts, Heavy Hex Nuts, Square Nuts, Finished Jam Nuts, Heavy Hex Jam Nuts, Sleeve Nuts, Hex Coupling Nuts. 2-H Heavy Hex Nuts, Acorn Nuts, Heavy Hex Nuts, Jam Nuts, Kep Nuts, Nylon Insert Locknuts, Slotted Nut, High Nut, Castle Nut, Custom Nut, Serrated Flange Nut, Auto Locknuts, Coupling Nuts, Slotted Nuts, Square Nuts

• FASTENERS : BOLTS

  Anchor Bolt, Elevator Bolt, Tap Bolts, Hex Cap Screws, Stove Bolt, Wedge Anchors, Flat Head Cap Screws, Hanger Bolt, Socket Cap Screw, L-9 Hi-Head Cap Screws, U Bolt, Plow Bolts, Shoulder Bolt, Flange Bolt, SQ Head Set Screws.

• FASTENERS : SCREWS

  Machine Screws, Tapping Screws, Wood Screws, Self Drilling Screws, Thread Cutting, Stainless Steel Screws, Hastelloy Screws, Inconel Screws, Copper Screws, Titanium Screws, Alloy Steel Screws, Monel Screws, Nickel Screws, Brass Screws, Duplex Steel Screws, Super Duplex Steel Screws.

• FASTENERS : NUTS

  Wing Nuts, Miscellaneous Nuts, Flex Lock Nut, 2 Way Lock Nut, Cap Nut, K Lock Nut, T Tee Nuts, Flange Lock Nut, Stainless Steel Nuts, Alloy Steel Nuts, Monel Nuts, Nickel Nuts, Brass Nuts, Duplex/Super Duplex Steel Nut, Hastelloy Nuts, Inconel Nuts, Copper Nuts, Titanium Nuts

• FASTENERS : BOLTS

  J Bolt, Draw Bolt, Toggle Bolts, Carriage Bolts, Machine Bolt, Hex Head Bolt, Hex Bolts, Grub Screw, Lag Bolts, Set Screw, Eye Bolt, Scraper Blade Bolts, Step Bolt, Copper Bolts, Stainless Steel Bolts, Inconel Bolts, Titanium Bolts, Monel Bolts, Brass Bolts, Nickel Bolts, Alloy Steel Bolts, Duplex & Super Duplex Steel Bolts, Hastelloy Bolts.

Origin Of Material

Brand Name : We are Dealer, Distributor, Stockist, Stockholder and Supplier of Below Brand Products

Our Clients

Products	Duplex Steel 2205& 2507 Bolts, Duplex Steel 2205& 2507 Washer, Duplex Steel 2205& 2507 Screws, Duplex Steel 2205& 2507 Nuts
Industry We Serve	Duplex Steel Fasteners used in Oil & Gas Industry, Petrochemical, structural & mechanical
Country	More Then 3200 CLIENTS OFDuplex Stainless Steel Fasteners in Kuwait, Peru, UK, Singapore, Poland, Iraq, Malaysia, Serbia, Turkey, Yemen, Australia, Lebanon, Oman, Srilanka, Egypt, Angola, Canada, Madagascar, Saudi Arabia, Indonesia, UAE, Italy, Jordan, USA, Brazil, Nigeria, South Africa, Mexico, New Zealand, Netherlands, Germany, Venezuela, Iran, Denmark, Spain, Bahrainetc....

We have exported our material to numerous countries in the world including but not limited to Kuwait, Peru, UK, Singapore, Poland, Iraq, Malaysia, Serbia, Turkey, Yemen, Australia, Lebanon, Oman, Srilanka, Egypt, Angola, Canada, Madagascar, Saudi Arabia, Indonesia, UAE, Italy, Jordan, Qatar, USA, Brazil, Nigeria, South Africa, Kuwait, Mexico, New Zealand, Netherlands, Germany, Venezuela, Iran, Denmark, Spain, Bahrain & many other countries....